X-Git-Url: http://matita.cs.unibo.it/gitweb/?a=blobdiff_plain;f=matita%2Fmatita%2Fcontribs%2Flambdadelta%2Fbasic_2%2Fcomputation%2Fcsn_lpx.ma;h=ca40d78e93bf15d28d16da85cd281304198268ae;hb=29973426e0227ee48368d1c24dc0c17bf2baef77;hp=3f97c882add74d5617d4c41f3047c156a6d27789;hpb=f95f6cb21b86f3dad114b21f687aa5df36088064;p=helm.git

diff --git a/matita/matita/contribs/lambdadelta/basic_2/computation/csn_lpx.ma b/matita/matita/contribs/lambdadelta/basic_2/computation/csn_lpx.ma
index 3f97c882a..ca40d78e9 100644
--- a/matita/matita/contribs/lambdadelta/basic_2/computation/csn_lpx.ma
+++ b/matita/matita/contribs/lambdadelta/basic_2/computation/csn_lpx.ma
@@ -21,15 +21,15 @@ include "basic_2/computation/csn_lift.ma".
 
 (* Advanced properties ******************************************************)
 
-lemma csn_lpx_conf: ∀h,g,L1,L2. ⦃h, L1⦄ ⊢ ➡[g] L2 →
-                    ∀T. ⦃h, L1⦄ ⊢ ⬊*[g] T → ⦃h, L2⦄ ⊢ ⬊*[g] T.
+lemma csn_lpx_conf: ∀h,g,L1,L2. ⦃h, L1⦄ ⊢ ➡[h, g] L2 →
+                    ∀T. ⦃h, L1⦄ ⊢ ⬊*[h, g] T → ⦃h, L2⦄ ⊢ ⬊*[h, g] T.
 #h #g #L1 #L2 #HL12 #T #H @(csn_ind_alt … H) -T #T #_ #IHT
 @csn_intro #T0 #HLT0 #HT0
 @IHT /2 width=2/ -IHT -HT0 /2 width=3 by lpx_cpx_trans/
 qed.
 
-lemma csn_abst: ∀h,g,a,L,W. ⦃h, L⦄ ⊢ ⬊*[g] W →
-                ∀T. ⦃h, L.ⓛW⦄ ⊢ ⬊*[g] T → ⦃h, L⦄ ⊢ ⬊*[g] ⓛ{a}W.T.
+lemma csn_abst: ∀h,g,a,L,W. ⦃G, L⦄ ⊢ ⬊*[h, g] W →
+                ∀T. ⦃h, L.ⓛW⦄ ⊢ ⬊*[h, g] T → ⦃G, L⦄ ⊢ ⬊*[h, g] ⓛ{a}W.T.
 #h #g #a #L #W #HW @(csn_ind … HW) -W #W #_ #IHW #T #HT @(csn_ind … HT) -T #T #HT #IHT
 @csn_intro #X #H1 #H2
 elim (cpx_inv_abst1 … H1) -H1
@@ -41,8 +41,8 @@ elim (eq_false_inv_tpair_sn … H2) -H2
 ]
 qed.
 
-lemma csn_abbr: ∀h,g,a,L,V. ⦃h, L⦄ ⊢ ⬊*[g] V →
-                ∀T. ⦃h, L.ⓓV⦄ ⊢ ⬊*[g] T → ⦃h, L⦄ ⊢ ⬊*[g] ⓓ{a}V. T.
+lemma csn_abbr: ∀h,g,a,L,V. ⦃G, L⦄ ⊢ ⬊*[h, g] V →
+                ∀T. ⦃h, L.ⓓV⦄ ⊢ ⬊*[h, g] T → ⦃G, L⦄ ⊢ ⬊*[h, g] ⓓ{a}V. T.
 #h #g #a #L #V #HV elim HV -V #V #_ #IHV #T #HT @(csn_ind_alt … HT) -T #T #HT #IHT
 @csn_intro #X #H1 #H2
 elim (cpx_inv_abbr1 … H1) -H1 *
@@ -58,8 +58,8 @@ elim (cpx_inv_abbr1 … H1) -H1 *
 ]
 qed.
 
-fact csn_appl_beta_aux: ∀h,g,a,L,U1. ⦃h, L⦄ ⊢ ⬊*[g] U1 →
-                        ∀V,W,T1. U1 = ⓓ{a}ⓝW.V.T1 → ⦃h, L⦄ ⊢ ⬊*[g] ⓐV.ⓛ{a}W.T1.
+fact csn_appl_beta_aux: ∀h,g,a,L,U1. ⦃G, L⦄ ⊢ ⬊*[h, g] U1 →
+                        ∀V,W,T1. U1 = ⓓ{a}ⓝW.V.T1 → ⦃G, L⦄ ⊢ ⬊*[h, g] ⓐV.ⓛ{a}W.T1.
 #h #g #a #L #X #H @(csn_ind … H) -X
 #X #HT1 #IHT1 #V #W #T1 #H1 destruct
 @csn_intro #X #H1 #H2
@@ -76,11 +76,11 @@ elim (cpx_inv_appl1 … H1) -H1 *
 qed-.
 
 (* Basic_1: was just: sn3_beta *)
-lemma csn_appl_beta: ∀h,g,a,L,V,W,T. ⦃h, L⦄ ⊢ ⬊*[g] ⓓ{a}ⓝW.V.T → ⦃h, L⦄ ⊢ ⬊*[g] ⓐV.ⓛ{a}W.T.
+lemma csn_appl_beta: ∀h,g,a,L,V,W,T. ⦃G, L⦄ ⊢ ⬊*[h, g] ⓓ{a}ⓝW.V.T → ⦃G, L⦄ ⊢ ⬊*[h, g] ⓐV.ⓛ{a}W.T.
 /2 width=3 by csn_appl_beta_aux/ qed.
 
-fact csn_appl_theta_aux: ∀h,g,a,L,U. ⦃h, L⦄ ⊢ ⬊*[g] U → ∀V1,V2. ⇧[0, 1] V1 ≡ V2 →
-                         ∀V,T. U = ⓓ{a}V.ⓐV2.T → ⦃h, L⦄ ⊢ ⬊*[g] ⓐV1.ⓓ{a}V.T.
+fact csn_appl_theta_aux: ∀h,g,a,L,U. ⦃G, L⦄ ⊢ ⬊*[h, g] U → ∀V1,V2. ⇧[0, 1] V1 ≡ V2 →
+                         ∀V,T. U = ⓓ{a}V.ⓐV2.T → ⦃G, L⦄ ⊢ ⬊*[h, g] ⓐV1.ⓓ{a}V.T.
 #h #g #a #L #X #H @(csn_ind_alt … H) -X #X #HVT #IHVT #V1 #V2 #HV12 #V #T #H destruct
 lapply (csn_fwd_pair_sn … HVT) #HV
 lapply (csn_fwd_bind_dx … HVT) -HVT #HVT
@@ -117,13 +117,13 @@ elim (cpx_inv_appl1 … HL) -HL *
 qed-.
 
 lemma csn_appl_theta: ∀h,g,a,V1,V2. ⇧[0, 1] V1 ≡ V2 →
-                      ∀L,V,T. ⦃h, L⦄ ⊢ ⬊*[g] ⓓ{a}V.ⓐV2.T → ⦃h, L⦄ ⊢ ⬊*[g] ⓐV1.ⓓ{a}V.T.
+                      ∀L,V,T. ⦃G, L⦄ ⊢ ⬊*[h, g] ⓓ{a}V.ⓐV2.T → ⦃G, L⦄ ⊢ ⬊*[h, g] ⓐV1.ⓓ{a}V.T.
 /2 width=5 by csn_appl_theta_aux/ qed.
 
 (* Basic_1: was just: sn3_appl_appl *)
-lemma csn_appl_simple_tstc: ∀h,g,L,V. ⦃h, L⦄ ⊢ ⬊*[g] V → ∀T1. ⦃h, L⦄ ⊢ ⬊*[g] T1 →
-                            (∀T2. ⦃h, L⦄ ⊢ T1 ➡*[g] T2 → (T1 ≃ T2 → ⊥) → ⦃h, L⦄ ⊢ ⬊*[g] ⓐV.T2) →
-                            𝐒⦃T1⦄ → ⦃h, L⦄ ⊢ ⬊*[g] ⓐV.T1.
+lemma csn_appl_simple_tstc: ∀h,g,L,V. ⦃G, L⦄ ⊢ ⬊*[h, g] V → ∀T1. ⦃G, L⦄ ⊢ ⬊*[h, g] T1 →
+                            (∀T2. ⦃G, L⦄ ⊢ T1 ➡*[h, g] T2 → (T1 ≃ T2 → ⊥) → ⦃G, L⦄ ⊢ ⬊*[h, g] ⓐV.T2) →
+                            𝐒⦃T1⦄ → ⦃G, L⦄ ⊢ ⬊*[h, g] ⓐV.T1.
 #h #g #L #V #H @(csn_ind … H) -V #V #_ #IHV #T1 #H @(csn_ind … H) -T1 #T1 #H1T1 #IHT1 #H2T1 #H3T1
 @csn_intro #X #HL #H
 elim (cpx_inv_appl1_simple … HL) -HL //